Released: September 2017 Quarterly Exchange Updates

The latest set of Cumulative Updates for Exchange Server 2016 and Exchange Server 2013 are now available on the download center.  These releases include fixes to customer reported issues, all previously reported security/quality issues and updated functionality. Minimum supported Forest Functional Level is now 2008R2 In our blog post, Active Directory Forest Functional Levels for…


Announcing availability of 250,000 public folder Exchange 2010 hierarchy migrations to Exchange Online

Last September, we announced a beta program to validate onboarding of public folder data from Exchange 2010 on-premises to Exchange Online with large public folder hierarchies (100K – 250K public folders). We are glad to announce that Exchange Online now officially supports public folder hierarchies of up to 250K public folders in the cloud –…


Modern public folders logging and when to use it

Hello again! In our last article, we discussed recommendations for deployment of public folders and public folder mailboxes. In this post, we will be discussing methods and tips for monitoring connections being made to the Public Folder mailboxes with the help of different log types available in Exchange Server 2013 and Exchange Server 2016. This…


Discontinuation of support for Session Border Controllers in Exchange Online Unified Messaging

In July 2018, we will no longer support the use of Session Border Controllers (SBC) to connect 3rd Party PBX systems to Exchange Online Unified Messaging (UM). We’re making this change to provide a higher quality of service for voicemail, using standard Exchange and Skype for Business protocols. Customers considering a new deployment of this…


Released: June 2017 Quarterly Exchange Updates

The latest set of Cumulative Updates for Exchange Server 2016 and Exchange Server 2013 are now available on the download center. These releases include fixes to customer reported issues, all previously reported security/quality issues and updated functionality. Updated functionality in Cumulative Update 6 With Cumulative Update 6 we are adding two highly anticipated features; Sent…


.NET Framework 4.7 and Exchange Server

Update 6/15/2017: Added a clarification that .Net Framework 4.7 has shipped and that we are still validating this release with Exchange Server. We wanted to post a quick note to call out that our friends in .NET have released the .NET Framework 4.7 to Windows Update for client and server operating systems it supports. We…


Announcing Original Folder Item Recovery

Cumulative Update 6 (CU6) for Exchange Server 2016 will be released soonTM, but before that happens, I wanted to make you aware of a behavior change in item recovery that is shipping in CU6.  Hopefully this information will aid you in your planning, testing, and deployment of CU6. Item Recovery Prior to Exchange 2010, we…

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TooManyBadItemsPermanentException error when migrating to Exchange Online?

Some of you may have noticed that more migrations might be failing due to encountering ‘too many bad items’. Upon closer review, you may notice that the migration report contains entries referencing corrupted items and being unable to translate principals. I wanted to take a few minutes and provide more information to help understand what…


Deep Dive: How Hybrid Authentication Really Works

A hybrid deployment offers organizations the ability to extend the feature-rich experience and administrative control they have with their existing on-premises Microsoft Exchange organization to the cloud. A hybrid deployment provides the seamless look and feel of a single Exchange organization between an on-premises Exchange organization and Exchange Online in Microsoft Office 365. In addition,…


Office 365 Directory Based Edge Blocking support for on-premises Mail Enabled Public Folders

Update 7/10/17: Added a line about OU consideration to Important Notes section. Until now, our on-premises customers who use  Mail Enabled Public Folders (MEPF) could not use services like Directory Based Edge Blocking (DBEB). If DBEB is enabled, any mails sent to Mail Enabled Public Folders (MEPF) will be dropped at the service network perimeter….